Home / 1,383,090.00-1,908,675.05-771,282.38

Finding the Fourth Proportional to 1,383,090.00, 1,908,675.05 and 771,282.38

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Solution

The fourth proportional to 1,383,090.00, 1,908,675.05 and 771,282.38 is: 1,064,375.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,090.00 : 1,908,675.05 = 771,282.38 : x
  2. Step 2: Convert to fraction form
    1,383,090.00/1,908,675.05 = 771,282.38/x
  3. Step 3: Cross multiply
    1,383,090.00x = 1,908,675.05 × 771,282.38
  4. Step 4: Simplify right side
    1,383,090.00x = 1,472,127,436,125.89
  5. Step 5: Solve for x
    x = 1,472,127,436,125.89/1,383,090.00
  6. Step 6: Final answer
    x = 1,064,375.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.